Bedienungsanleitung Hitachi dv 14 dsl (Seite 13 von 74) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Portugiesisch, Spanisch)

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As the remaining battery indicator shows somewhat

differently depending on ambient temperature and

battery characteristics, read it as a reference.

NOTE:

⅜ Do not give a strong shock to the switch panel or

break it.It may lead to a trouble.

⅜ To save the battery power consumption, the

remaining battery indicator lamp lights while pressing

the remaining battery indicator switch.

9. How to use the LED light

Every time you press the light switch on the switch

panel, the LED light lights or goes off. (Fig. 12)

To prevent the battery power consumption, turn off

the LED light frequently.

CAUTION:

⅜ Do not expose directly your eye to the light by looking

into the light.

If your eye is continuously exposed to the light, your

eye will be hurt.

NOTE:

⅜ To prevent the battery power consumption caused

by forgetting to turn off the LED light, the light goes

off automatically in about 15 minutes.

10. Mounting and dismounting of the bit

(1) Mounting the bit

Loosen the sleeve by turning it toward the left (in the

counterclockwise direction as viewed from the front)

to open the clip on the keyless chuck. After inserting

a driver bit, etc., into the keyless drill chuck, and

tighten the sleeve by turning it toward the right (in

the clockwise direction as viewed from the front)

(See Fig. 13).

⅜ If the sleeve becomes loose during operation, tighten

it further.

The tightening force becomes stronger when the

sleeve is tightened additionally.

(2) Dismounting the bit

Loosen the sleeve by turning it toward the left (in the

counterclockwise direction as viewed from the front),

and then take out the bit, etc. (See Fig. 13).

NOTE

If the sleeve is tightened in a state where the clip of

the keyless chuck is opened to a maximum limit, a

click noise may occur. This is the noise that occurs

when the loosening of the keyless chuck is prevented

and is not a malfunction.

CAUTION

⅜ When it is no longer possible to loosen the sleeve,

use a vise or similar instrument to secure the bit. Set

the clutch mode between 1 and 7 and then turn the

sleeve to the loose side (left side) while operating the

clutch. It should be easy now to loosen the sleeve.

11. Automatic spindle-lock mechanism

This unit has automatic spindle-lock mechanism for

quick bit changes.

12. Confirm that the battery is mounted correctly

13. Check the rotational direction

The bit rotates clockwise (viewed from the rear side)

by pushing the R-side of the selector button.

The L-side of the selector button is pushed to turn the

bit counterclockwise (See Fig. 14). (The

and

marks are provided on the selector button.)

CAUTION

⅜ Always use this unit with clockwise rotation, when

using it as an impact drill.

14. Switch operation

⅜ When the trigger switch is depressed, the tool rotates.

When the trigger is released, the tool stops.

⅜ The rotational speed of the drill can be controlled by

varying the amount that the trigger switch is pulled.

Speed is low when the trigger switch is pulled slightly

and increases as the trigger switch is pulled more.

NOTE

⅜ A buzzing noise is produced when the motor is about

to rotate. This is only a noise, not a machine failure.

15. For drilling into brick

Excessive pressing force never increases drilling

speed. It will not only damage the drill tip or reduce

working efficiency, but could also shorten the service

life of drill bit. Operate the impact driver drill within

10-15 kg pressing force while drilling into brick.

MAINTENANCE AND INSPECTION

1. Inspecting the tool

Since use of as dull tool will degrade efficiency and

cause possible motor malfunction, sharpen or replace

the tool as soon as abrasion is noted.

2. Inspecting the mounting screws

Regularly inspect all mounting screws and ensure

that they are properly tightened. Should any of the

screws be loose, retighten them immediately. Failure

to do so could result in serious hazard.

3. Maintenance of the motor

The motor unit winding is the very “heart” of the

power tool.

Exercise due care to ensure the winding does not

become damaged and/or wet with oil or water.

4. Inspecting the carbon brushes (Fig. 15)

The motor employs carbon brushes which are

consumable parts. Since and excessively worn carbon

brush can result in motor trouble, replace the carbon

brush with new ones when it becomes worn to or

near the “wear limit”. In addition, always keep carbon

brushes clean and ensure that they slide freely within

the brush holders.

NOTE

When replacing the carbon brush with a new one, be

sure to use the Hitachi Carbon Brush Code No. 999054.

5. Replacing carbon brushes

Take out the carbon brush by first removing the

brush cap and then hooking the protrusion of the

carbon brush with a flat head screw driver, etc., as

shown in Fig. 17.

When installing the carbon brush, choose the direction

so that the nail of the carbon brush agrees with the

contact portion outside the brush tube. Then push it

in with a finger as illustrated in Fig. 18. Lastly, install

the brush cap.

CAUTION

Be absolutely sure to insert the nail of the carbon

brush into the contact portion outside the brush tube.

(You can insert whichever one of the two nails

provided.)

Caution must be exercised since any error in this

operation can result in the deformed nail of the carbon

brush and may cause motor trouble at an early stage.

Hitachi dv 14 dsl Seite 13

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